Question

He was about halfway through his meal __________ a familiar voice came to his ears.

A.why
B.where
C.when
D.while

Answer 1

【答案】：C

本题考查疑问词用法。该句要表达的意思是：他饭正吃到一半，突然听到一个熟悉的声音，when在句中不是引导时间状语从句，而是一个并列句，when的意思相当于“just at that time”就在那时突然……，因此本题选择C。